 (def activity
   {:properties
    {:date_time ts
-    :description text}})
+    :description all_text}})
 
 (def related-indicators
   {:properties

    :properties
    {:id all_string
     :type string
     :title all_text
     :description all_text
     :valid_time valid-time
     :names all_string

;; It aschews nested objects since they are performance risks, and
;; restricts the _all to a minimal set.

;; not that fields with the same name, nee to have the same mapping,
;; even in different entities.  That means

(def ts {:type "date" :format "date_time"})

